| 刘振民语法的E7-2题
The growth of the railroads led to the abolition of local times,which was determined by when the sun reached the observer's meridian and differing from city to city,and to the estabishment of regional times.
A) Which was determined by when the sun reached the observer's meridian and differing
B) Which was determined by when the sun reached the observer's meridian and which differed
C) Which was determined by when the sun reached the observer's meridian and differing
D) determined by when the sun reached the observer's meridian and differed
E) determined by when the sun reached the observer's meridian and differing
answer:E
E为什么可以and differing?请指点一下，谢谢 | 
